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Chemistry Exam > Metric Unit Conversions > Flashcards

Metric Unit Conversions Flashcards

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1
Q

Given 1 cm3 = 1 mL

What is the volume in cubic centimeters of a 500 mL beaker?

___ cm3

A

500

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2
Q

A water tank can hold 1 m3 of water. When it’s empty, how much liters is needed to refill it?

___ L

A

1000

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3
Q

A balloon (approximate as a sphere) is inflated such that its radius is 7.00 cm. What is the volume of air inside the balloon in mL? (Volume of a sphere= 4/3 π^3 use 3.14 for π)

___ mL

A

1436

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4
Q

Convert the following:

0.074 km = ____ m.

A

74m

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5
Q

Convert the following:

24,600μg=––– g.

A

0.0246 g

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6
Q

A graduated cylinder (approximate as a regular cylinder) has a radius of 1.045 cm and a height of 30.48 cm. What is the volume of the cylinder in cm3?

π = 3.141

A

104.5

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7
Q

If a cubic container has a side length of 50.0 cm, what is the volume in liter?

___ L

A

125, 125 L(any of these)

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8
Q

A cylinder container is filled with air. Its radius is 6.00 cm and its height is 3.50 cm. What is the volume of air inside in milliliters?

π = 3.14

___ mL

A

396

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9
Q

Given 1 kg = 2.20 lbs, how many kilograms are in 125 lbs?

___ kg (Round your answer to 3 significant figures)

A

56.82

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10
Q

The atmospheric pressure on a mountain is 550 mmHg and 1 atm is equal to 760 mmHg. What is the pressure in atm? Give your answer to 2 significant figures.

___ atm

A

0.72

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11
Q

Given 1 kg = 2.20 lbs, how many kilograms are in 338 lbs?

___ kg (3 significant figures)

A

154

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12
Q

A cube of steel has dimensions 0.2 m × 0.2 m × 0.2 m. What is the volume of the cube in cubic centimeters?

___ cm3

A

8000

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13
Q

A deck of cards has dimensions 8.9 cm × 5.72 cm × 1.82 cm. What is the volume of the deck in cubic centimeters? (Round your answer to 2 significant figures)

___ cm3

A

92.65

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14
Q

A beaker can hold 200 cm3 of water. When it’s empty, how many liters are needed to refill it?

___ L

A

0.2

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15
Q

What is the volume of a cube with side length of 5.00 cm?

___ mL

A

125

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16
Q

How many km is 1.8×105 m?

Answer: _____ km

A

180, 180 km(any of these)

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17
Q

A container can hold 2.45 L of water.

What is the volume of the container in cubic centimeters?

___ cm3

A

2450

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18
Q

The volume of a cylinder is 3.5 L. What is its volume in cubic centimeters?

___ cm3

A

3500

19
Q

An ideal gas will occupy 22.4 L at standard temperature and pressure. What is this volume in cubic centimeters?

___ cm3

A

22400

20
Q

A pond has dimensions 3.4 m × 5.6 m × 1.8 m. What is the volume of the pond in cubic meters?

___ m3

A

34

21
Q

A bottle of milk is 2 L. What is this volume in cubic centimeters?

___ cm3

A

2000

22
Q

If the volume of a substance is 1 cubic meter, then what is its volume in centiliters?

A

100,000

23
Q

The volume of a bottle is 500 cm3. What is the volume of the bottle in milliliters?

___ mL

A

500

24
Q

The volume of a bottle is 500 cm3. What is the volume of the bottle in milliliters?

___ mL

A

500

25
Q

If on average you walk 1.20 meters every second, how long do you walk in one hour?

___ m

A

4320

26
Q

A running track has a circumference of 400 m. How many laps of the track should be completed during a 10-km race?

A

25 laps

27
Q

A bottle of coke has a volume of 250.0 mL. What is this volume in cubic centimeters?

___ cm3

A

250

28
Q

The volume of a beaker is 65.0 mL. What is the volume of water that you need to fill up the beaker in cubic centimeters?

___ cm3

A

65

29
Q

87.7 m = ___ cm ?

A

8770

30
Q

A box has dimensions 0.2 m × 0.4 m × 0.6 m. What is the volume of the box in cubic meters? Round to the nearest hundredths.

___ m3

A

0.048

31
Q

The pressure caused by a sample of gas is 2.25 atm. 1 atm is equal to 1.01 kPa. What is the pressure in Newton per square centimeter?

A

0.227 N/cm2

32
Q

Given 1 cm3 = 1 mL

What is the volume in cubic centimeters of a 500 mL beaker?

___ cm3

A

500

33
Q

Conversions are difficult with the metric system.

A

false

34
Q

How many cm is equal to 1450 nm?

A

1.45 x 10^-4 cm

35
Q

The density of a metal is 4.51 g/cm3. In the SI system it is equal to 4.51 kg/m3.

A

false

36
Q

1cm= 10^-4 km

true or false

A

false

37
Q

1 pascal is equal to one newton per metre.

A

false

38
Q

The conversion from one metric system unit to another results in only a shift of the decimal point.

A

true

39
Q

True or false:

253.24 cm=2532.4 mm

A

true

40
Q

In the metric system, the conversion between units of different magnitudes is done by changing an exponent from one position to another or shifting the decimal points.

A

true

41
Q

Verify:
100 millimeters=10 centimeters
true or false

A

true

42
Q

4.9×107μg is equal to 0.049 kg.

A

true

43
Q

84 dm is equal to 8400 mm.

A

true

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